JBL Boombox 4 Portable Bluetooth Speaker

The Ultimate Portable Party Powerhouse

Unleash massive sound anywhere with the JBL Boombox 4, the most powerful portable Bluetooth speaker in JBL's lineup. Engineered for those who demand earth-shaking bass, crystal-clear highs, and unstoppable durability, this beast of a speaker delivers concert-level audio that transforms any location into your personal venue. Whether you're hosting epic beach parties, powering outdoor events, or simply enjoying music at home, the Boombox 4 is built to dominate.

Product Highlights:

Massive, Powerful Sound

• JBL's most powerful portable speaker
• Thunderous bass that you can feel
• Crystal-clear highs even at maximum volume
• Room-filling, outdoor-dominating audio
• Enhanced bass radiators for deep low-end
• Dual woofers and dual tweeters
• Optimized acoustic design for maximum impact
• Concert-level volume without distortion

Extreme Durability & Protection

• IP67 waterproof and dustproof rating
• Fully submersible in water up to 1 meter
• Dustproof construction protects internals
• Splash-proof, rain-proof, beach-proof
• Rugged build withstands drops and impacts
• Weather-resistant for all-season use
• Durable fabric and rubber housing
• Built to survive the toughest adventures

Incredible 24-Hour Battery Life

• Up to 24 hours of continuous playtime
• All-day and all-night music without interruption
• Efficient power management
• Quick charging capability
• Battery level indicator
• USB charging port to power devices
• Powerbank functionality
• Never stop the party

Advanced Connectivity

• Bluetooth 5.3 for stable wireless connection
• Pairs instantly with smartphones and tablets
• PartyBoost technology connects multiple speakers
• Create massive sound by linking JBL speakers
• Wireless streaming up to 30+ feet
• Stable connection in crowded environments
• Multi-device connectivity
• Seamless pairing and reconnection

Premium Portability

• Integrated metal carry handle
• Ergonomic design for comfortable transport
• Balanced weight distribution
• Substantial yet portable
• Easy to carry despite powerful performance
• Secure grip even when wet
• Perfect for on-the-go lifestyle
• Take the party anywhere

Sleek, Rugged Design

• Bold black finish with premium fabric
• Iconic JBL branding
• Modern, aggressive styling
• Durable construction meets aesthetics
• Professional appearance
• Stands out in any environment
• Built-in stability for secure placement
• Premium packaging

Technical Specifications:

Audio Performance

• Output power: Maximum wattage (check specifications)
• Frequency response: Deep bass to crystal highs
• Driver configuration: Dual woofers + dual tweeters
• Bass radiators: Dual passive radiators
• Sound technology: JBL Original Pro Sound
• Maximum volume: Extreme outdoor levels
• Audio codec support: Advanced Bluetooth codecs
• THD: Minimal distortion at all volumes

Connectivity & Features

• Bluetooth version: 5.3 (latest technology)
• Wireless range: Up to 30+ feet (10+ meters)
• PartyBoost: Yes (connect multiple speakers)
• USB charging port: Yes (charge devices)
• Audio input: Bluetooth + auxiliary (check model)
• Speakerphone: Built-in microphone
• Voice assistant: Compatible
• App control: JBL Portable app (if available)

Power & Battery

• Battery capacity: High-capacity lithium-ion
• Playtime: Up to 24 hours
• Charging time: Approximately 6.5 hours
• Charging port: USB-C or proprietary
• Power output (USB): Charge smartphones/tablets
• Battery indicator: LED status lights
• Auto power-off: Energy-saving feature
• Play while charging: Yes

Durability & Protection

• Waterproof rating: IP67 (submersible)
• Dustproof rating: IP67 (fully sealed)
• Drop protection: Rugged construction
• Temperature range: Wide operating conditions
• Material: Durable fabric, rubber, plastic
• Build quality: Premium JBL engineering

Key Features Summary:

✓ JBL's most powerful portable speaker
✓ 24-hour battery life
✓ IP67 waterproof and dustproof
✓ Dual woofers + dual tweeters
✓ Massive bass radiators
✓ Bluetooth 5.3 connectivity
✓ PartyBoost multi-speaker pairing
✓ USB powerbank function
✓ Integrated metal carry handle
✓ Concert-level volume
✓ All-weather performance
✓ Premium JBL quality
✓ Voice assistant compatible
✓ Rugged, durable construction
✓ Professional-grade audio